1145924892 has 72 divisors (see below), whose sum is σ = 3350395776. Its totient is φ = 323456544.

The previous prime is 1145924887. The next prime is 1145924911. The reversal of 1145924892 is 2984295411.

It is a happy number.

1145924892 is a `hidden beast` number, since 1 + 14 + 592 + 48 + 9 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6478 + ... + 48309.

Almost surely, 2^1145924892 is an apocalyptic number.

1145924892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145924892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675197888).

1145924892 is an abundant number, since it is smaller than the sum of its proper divisors (2204470884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145924892 is a wasteful number, since it uses less digits than its factorization.

1145924892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54887 (or 54882 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 1145924892 is about 33851.5124034363. The cubic root of 1145924892 is about 1046.4505673561.

The spelling of 1145924892 in words is "one billion, one hundred forty-five million, nine hundred twenty-four thousand, eight hundred ninety-two".